Grove Published 3-22-2021, Control # 702-02 4-161
GRT8120 OPERATOR MANUAL OPERATING PROCEDURES
Boom System
• Select and confirm the symbol (1, Figure 4-183).
• Use symbol (1, Figure 4-183) to select the rigged boom
system.
• Confirm each selection.
Outrigger Span
• Select and confirm the symbol (1, Figure 4-184).
• Use the buttons (2) or (3) to select the rigged outrigger
span.
• Confirm the selection.
2 Main boom
3 Main boom with boom extension
4 Angle of the manual boom extension
5 Length of boom extension
FIGURE 4-183
5
2
3
4
1
10254-50a
FIGURE 4-184
1
8849-36a
10254-51a
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